snakekeylogger | 2def60ac1c2f5a4836dca6365a62a61092512511b917ca5add900583a7ee184f

General

Target

PAYMENT ADVISE MT107647545.exe
Size

918KB
MD5

bc8587d56c7d715cf7bc5fe3bba73724
SHA1

0bd96680105b07d2a6a0e92c0a163444aa8de18a
SHA256

2def60ac1c2f5a4836dca6365a62a61092512511b917ca5add900583a7ee184f
SHA512

944af22228ca5a71144ec5adca7973e15ad523b776337d56f5ef44ef4538a2a522b161f1c792f78d7c731c01e7a8642c58e455493b4e645db8285e891673a269
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL3tXayxNh69vjMAxK14r2TOtl:ffmMv6Ckr7Mny5QLsyxN49rY/E

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8129252196:AAFb_vUYwennKVolbwpXf3vnDfT_yhozHns/sendMessage?chat_id=7004340450

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2720-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3980 set thread context of 2720	3980	PAYMENT ADVISE MT107647545.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PAYMENT ADVISE MT107647545.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2720	RegSvcs.exe
2720	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3980	PAYMENT ADVISE MT107647545.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3980	PAYMENT ADVISE MT107647545.exe
3980	PAYMENT ADVISE MT107647545.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3980	PAYMENT ADVISE MT107647545.exe
3980	PAYMENT ADVISE MT107647545.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3980 wrote to memory of 2720	3980	PAYMENT ADVISE MT107647545.exe	89
PID 3980 wrote to memory of 2720	3980	PAYMENT ADVISE MT107647545.exe	89
PID 3980 wrote to memory of 2720	3980	PAYMENT ADVISE MT107647545.exe	89
PID 3980 wrote to memory of 2720	3980	PAYMENT ADVISE MT107647545.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVISE MT107647545.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVISE MT107647545.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3980
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVISE MT107647545.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2720-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2720-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2720-5-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/2720-6-0x0000000004F10000-0x0000000004FAC000-memory.dmp

Filesize
624KB

Download
memory/2720-7-0x0000000073ED0000-0x0000000074680000-memory.dmp

Filesize
7.7MB

Download
memory/2720-8-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2720-9-0x0000000006250000-0x00000000062A0000-memory.dmp

Filesize
320KB

Download
memory/2720-10-0x0000000006470000-0x0000000006632000-memory.dmp

Filesize
1.8MB

Download
memory/2720-11-0x0000000006340000-0x00000000063D2000-memory.dmp

Filesize
584KB

Download
memory/2720-12-0x0000000073ED0000-0x0000000074680000-memory.dmp

Filesize
7.7MB

Download
memory/2720-13-0x00000000062F0000-0x00000000062FA000-memory.dmp

Filesize
40KB

Download
memory/3980-2-0x0000000004020000-0x0000000004220000-memory.dmp

Filesize
2.0MB

Download

Analysis

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